diff --git a/atom/browser/atom_web_ui_controller_factory.cc b/atom/browser/atom_web_ui_controller_factory.cc
index a73eed19a115..ef8b2785ae55 100644
--- a/atom/browser/atom_web_ui_controller_factory.cc
+++ b/atom/browser/atom_web_ui_controller_factory.cc
@@ -57,6 +57,9 @@ AtomWebUIControllerFactory::CreateWebUIControllerForURL(content::WebUI* web_ui,
         src = param.second;
       }
     }
+    if (url.has_ref()) {
+      src = src + '#' + url.ref();
+    }
     auto browser_context = web_ui->GetWebContents()->GetBrowserContext();
     return new PdfViewerUI(browser_context, web_ui, src);
   }